Runs in your browser

Double @ Finder

Find addresses that contain more than one @.

How it works

Double @ Finder

Find addresses that contain more than one @. The check runs in your browser. MailShrine Email Sanitization flags invalid syntax, disposable and role-based addresses, and duplicates. It does not probe mailboxes, and it does not send the campaign.

Or start from a real-life example

Upload a file

Results appear here after you click Run check.

The full pass — syntax, disposable and role flags, duplicates — is Email Sanitization. You start with 200 credits per month. The send, later, is Email Marketing.

Start with 200 credits per month →

More in Syntax and Typo Tools